We should have fixed the installer issue. You can get the new version at http://www.livestream.com/forum/show...8&postcount=56 if you still have problems do the following:
1) Press the windows key and r at the same time
2) type in %temp%
3) Press OK
4) Look for the following file ProcasterInstaller or ProcasterInstaller.Log
5) Send an email to procaster@livestream.com and include that file describing the problem you have with the isntaller.